Home / 3,227.96-4,842.75-1,585.28

Finding the Fourth Proportional to 3,227.96, 4,842.75 and 1,585.28

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Solution

The fourth proportional to 3,227.96, 4,842.75 and 1,585.28 is: 2,378.32

Step by Step Solution

  1. Step 1: Write the proportion equation
    3,227.96 : 4,842.75 = 1,585.28 : x
  2. Step 2: Convert to fraction form
    3,227.96/4,842.75 = 1,585.28/x
  3. Step 3: Cross multiply
    3,227.96x = 4,842.75 × 1,585.28
  4. Step 4: Simplify right side
    3,227.96x = 7,677,114.72
  5. Step 5: Solve for x
    x = 7,677,114.72/3,227.96
  6. Step 6: Final answer
    x = 2,378.32

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Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.